Is Rubella virus associated with higher levels of birth defect?
Mothers who contract rubella during lattrer part of pregnancies have babies with higher rates of cardiac, visio and hearing disoders.
To test their observation, Dr Kulkarni studies more than 1200 pregnant women in 4 hospitals over a period of 7 years. Of the 1200, they tracked the mothers health during the final trimester,a nd infant health during the first year after birth. When a mother shows visible sympotoms of rubella, Dr Kulkarnis team noted the severity and duration of her symptoms. From their data, the observed that women who showed symptoms of rubella were 200 times more likely than women with no symptoms to give birth to a baby with heart problems, blindness and deafness.
A. What was the independent variable?
B. What was the dependent variable?
C. What was the control?
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D. What was the constant
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E. What type of study is this? Explain
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Is Rubella virus associated with higher levels of birth defect?
Mothers who contract rubella during lattrer part of pregnancies have babies with higher rates of cardiac, visio and hearing disoders.
To test their observation, Dr Kulkarni studies more than 1200 pregnant women in 4 hospitals over a period of 7 years. Of the 1200, they tracked the mothers health during the final trimester,a nd infant health during the first year after birth. When a mother shows visible sympotoms of rubella, Dr Kulkarnis team noted the severity and duration of her symptoms. From their data, the observed that women who showed symptoms of rubella were 200 times more likely than women with no symptoms to give birth to a baby with heart problems, blindness and deafness.
A. What was the independent variable?
B. What was the dependent variable?
C. What was the control?
ã
D. What was the constant
ã
E. What type of study is this? Explain
ã
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